HOME

C/2023 P1 (Nishimura)
C/2023 P1 (Nishimura)

2023-09-02 09:28:05UTC (ID:359)
51x4 sec, bin 2 post
Scope:C8 FL(mm):2032 Camera:QHY168C
dark:y   flat:y   guided:n   filter:L Pro
With logarithmic stretch and a little imagination, a tail?.

C/2023 P1 (Nishimura)
C/2023 P1 (Nishimura)

2023-09-01 09:51:13UTC (ID:358)
11x2.13 sec, bin 2 post
Scope:C8 FL(mm):2032 Camera:QHY168C
dark:n   flat:y   guided:n   filter:L Pro
Just before dawn, way too bright!

C/2022 E3 (ZTF)
C/2022 E3 (ZTF)
C/2022 E3
2023-02-12 01:30:48UTC (ID:352)
212x3.75 sec, bin 2 post
Scope:C8 FL(mm):2000 Camera:QHY168C
dark:y   flat:y   guided:n   filter:L Pro


 C/2017 K2 Comet PanSTARRS
C/2017 K2 Comet PanSTARRS

2022-07-11 04:14:52UTC (ID:349)
28x30 sec, bin 1
Scope:C8 w/focal reducer FL(mm):1360 Camera:QHY168C
dark:y   flat:y   guided:y   filter:n
Lots of moon light
Best 28 frames from 75 captures

C/2017 K2 Comet PanSTARRS
C/2017 K2 Comet PanSTARRS

2022-07-07 03:00:00UTC (ID:348)
16x30 sec, bin 2-post
Scope:C8 w/focal reducer FL(mm):1360 Camera:QHY168C
dark:y   flat:y   guided:y   filter:n
Took 42 frames, only used 16 because of poor guiding.
C/2017 K2 last year

C/2017 K2
C/2017 K2

2021-07-22 04:07:48UTC (ID:331)
19x60 sec, bin 4-post
Scope:C12 FL(mm):3048 Camera:QHY168C
dark:y   flat:y   guided:n   filter:n
Nearly full moon, sky very bright
Remove color.

C/2020 F3 (NEOWISE)
C/2020 F3 (NEOWISE)
C/2020 F3
2020-07-29 02:02:43UTC (ID:307)
33x60 sec, bin 2-post
Scope:n/a FL(mm):200 Camera:Canon DSLR
dark:y   flat:n   guided:on comet   filter:n
DSLR piggybacked on telescope. Guided on comet core. Images before very dark, comet will be in trees shortly. Single 60 second image (second to last). Last image collected shows approaching clouds (and trees).

C/2020 F3 (NEOWISE)
C/2020 F3 (NEOWISE)
C/2020 F3
2020-07-29 02:00:11UTC (ID:308)
19x120 sec, bin 2-post
Scope:C8 FL(mm):2032 Camera:QHY168C
dark:y   flat:y   guided:on comet   filter:n
Guide on comet core. Not dark yet but trees are coming. Single (final) 120 second frame.

C/2020 F3 (NEOWISE)
C/2020 F3 (NEOWISE)
C/2020 F3
2020-07-27 02:10:54UTC (ID:309)
9x8 sec, bin 2- post
Scope:C8 FL(mm):2032 Camera:QHY168C
dark:y   flat:y   guided:n   filter:n
Tried to capture before the trees - not very dark yet!

C/2020 F3 NEOWISE
C/2020 F3 NEOWISE
C/2020 F3
2020-07-14 08:14:56UTC (ID:306)
1x15 sec, bin 2- post
Scope:C8 FL(mm):1280 Camera:QHY168C
dark:y   flat:y   guided:n   filter:n
Camera cooler off (oops), discarded color, logarithmic stretch.

C/2017 T2 (PANSTARRS) near Cocoon Galaxy
C/2017 T2 (PANSTARRS) near Cocoon Galaxy
C/2017 T2
2020-07-01 02:31:13UTC (ID:304)
10x120 sec, bin 2
Scope:C8 FL(mm):2032 Camera:Canon DSLR
dark:y   flat:y   guided:y   filter:IR
Use DSS to align on both stars and comet. Yuck! Reprocessed where align on galaxy image. Where processed with align on comet.

C/2017 T2 (PANSTARRS) near Cocoon Galaxy
C/2017 T2 (PANSTARRS) near Cocoon Galaxy
C/2017 T2
2020-07-01 02:31:12UTC (ID:303)
10x120 sec, bin 2
Scope:C8 FL(mm):2032 Camera:Canon DSLR
dark:y   flat:y   guided:y   filter:IR
Align on comet. Reprocessed where aligned on galaxy image.

C/2017 T2 (PANSTARRS) near Cocoon Galaxy
C/2017 T2 (PANSTARRS) near Cocoon Galaxy
C/2017 T2
2020-07-01 02:31:11UTC (ID:302)
10x120 sec, bin 2
Scope:C8 FL(mm):1280 Camera:Canon DSLR
dark:y   flat:y   guided:y   filter:IR
Align on stars, comet is moving past Cocoon Galaxy and NGC4485. Conditions not great, too much haze and moon. Not near enough exposure. North is up, east is to the right. Reprocess with alignment on comet.

C/2019 Y1 (ATLAS)
C/2019 Y1 (ATLAS)
C/2019 Y1
2020-05-22 02:40:43UTC (ID:300)
4x300 sec, bin 2
Scope:C8 FL(mm):2032 Camera:KAI4021
dark:y   flat:y   guided:offset   filter:n
JPL data claims comet is now mag 16
Moral of tonight's experience: Use JPL data for comet location and movement.

88P / Howell
88P / Howell
88P
2020-05-13 03:36:48UTC (ID:298)
5x300 sec, bin 2
Scope:C8 FL(mm):2032 Camera:KAI4021
dark:y   flat:y   guided:offset   filter:n


 C/2017 T2 (PANSTARRS)
C/2017 T2 (PANSTARRS)
C/2017 T2
2020-05-05 02:29:40UTC (ID:297)
3x300 sec, bin 2
Scope:C8 FL(mm):2032 Camera:KAI4021
dark:y   flat:y   guided:offset   filter:n
Fits with WCS

C/2019 Y1 (ATLAS)
C/2019 Y1 (ATLAS)
C/2019 Y1
2020-05-05 02:05:59UTC (ID:296)
3x300 sec, bin 2
Scope:C8 FL(mm):2032 Camera:KAI4021
dark:y   flat:y   guided:offset   filter:n
PHD2 Comet tracking with MPES parameters (finally got to work)
FITS with WCS

C/2019 Y1 (ATLAS)
C/2019 Y1 (ATLAS)
C/2019 Y1
2020-05-02 02:55:05UTC (ID:295)
10x60 sec, bin 2
Scope:C12Ur FL(mm):3048 Camera:KAI4021
dark:y   flat:y   guided:y   filter:n


 C/2019 Y4 (ATLAS)
C/2019 Y4 (ATLAS)
C/2019 Y4
2020-05-02 02:30:15UTC (ID:294)
13x60 sec, bin 2
Scope:C12Ur FL(mm):3048 Camera:KAI4021
dark:y   flat:y   guided:n   filter:n


 C/2019 Y4 (ATLAS)
C/2019 Y4 (ATLAS)
C/2019 Y4
2020-04-12 01:35:00UTC (ID:293)
4x5 sec, bin 1
Scope:C12Ur FL(mm):3048 Camera:Canon DSLR
dark:y   flat:y   guided:y   filter:n
Attempted PHD2 comet guiding
(failed, again!)

C/2018 Y1 (Iwamoto)
C/2018 Y1 (Iwamoto)
C/2018 Y1
2019-03-26 01:42:00UTC (ID:289)
30x120 sec, bin 2
Scope: FL(mm): Camera:
dark:Y   flat:Y   guided:Y   filter:n


 46P - Wirtanen
46P - Wirtanen
46P
2018-12-20 01:45:33UTC (ID:286)
7x120 sec, bin 2
Scope: FL(mm): Camera:
dark:n   flat:n   guided:y   filter:n
Guide on comet

46P - Wirtanen
46P - Wirtanen
46P
2018-12-19 01:56:42UTC (ID:285)
60x10 sec, bin 2
Scope: FL(mm): Camera:
dark:n   flat:n   guided:n   filter:n
Hot off the press, just combined raw frames, no other processing yet.
Single frame with WCS (FITS image)
Animated GIF of motion

21P - Giacobini-Zinner
21P - Giacobini-Zinner
21P
2018-07-20 02:46:00UTC (ID:284)
10x100 sec, bin 1
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
PHD-2 Offset Guiding after about 20 minutes of comet training. Non-translation corrected image to show how well comet tracking worked - best so far. (Forgot to check focus, a bit off.)

21P - Giacobini-Zinner
21P - Giacobini-Zinner
21P
2018-07-18 03:00:00UTC (ID:283)
20x100 sec, bin 1
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
PHD-2 Offset Guiding dRA and dDec set to values given at minorplanetcenter.net. Non-translation corrected raw image to show how well comet tracking worked (Yuck!).

21P - Giacobini-Zinner
21P - Giacobini-Zinner
21P
2018-07-11 03:14:00UTC (ID:282)
11x100 sec, bin 1
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
C8 w/focal extender (F6.7)

C/2015 V2 (Johnson)
C/2015 V2 (Johnson)
C/2015 V2
2017-05-17 02:44:12UTC (ID:281)
18x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:n   guided:y   filter:n
Al Ureles Observatory
12" SCT

41P - Tuttle-Giacobini-Kresak Comet
41P - Tuttle-Giacobini-Kresak Comet
41P
2017-04-15 02:37:46UTC (ID:280)
25x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n


C/2014 W2 PANSTARRS
C/2014 W2 PANSTARRS
C/2014 W2
2016-03-20 04:54:44UTC (ID:278)
6x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:offset   filter:n
PH2 offset guiding on stars
Moon!!!

P/2016 BA14 PANSTARRS
P/2016 BA14 PANSTARRS
P/2016 BA14
2016-03-20 02:33:32UTC (ID:276)
3x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:offset   filter:n
PH2 Offset guiding on stars
Lots of moon tonight!

81P/Wild and M1
81P/Wild and M1
81P/Wild
2016-03-20 01:35:25UTC (ID:277)
10x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Stack on comet, slight movement in stars

C/2013 US10 Catalina
C/2013 US10 Catalina
C/2013 US10
2016-03-12 03:32:47UTC (ID:275)
seexbelow sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
20 - 30sec exposures guiding on star,
plus 3 - 300sec exposures using
PHD2 offset guiding

C/2013 X1 PanSTARRS
C/2013 X1 PanSTARRS
C/2013 X1
2015-11-04 03:01:55UTC (ID:271)
20x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:n   guided:y   filter:n


 C/2014 S2 PanSTARRS
C/2014 S2 PanSTARRS
C/2014 S2
2015-11-03 04:25:04UTC (ID:273)
11x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n


 C/2015 F4 Jacques
C/2015 F4 Jacques

2015-07-24 06:00:15UTC (ID:259)
57x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Single image showing starfield

C/2014 Q2 Lovejoy
C/2014 Q2 Lovejoy

2015-07-24 05:24:55UTC (ID:258)
20x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n


C/2014 Q2 Lovejoy
C/2014 Q2 Lovejoy

2015-01-29 00:50:11UTC (ID:233)
32x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Again, stretched to try to get the tail, yuck!

C/2014 Q2 Lovejoy
C/2014 Q2 Lovejoy

2015-01-11 01:43:07UTC (ID:228)
17x60 sec, bin 1
Scope: FL(mm): Camera:
dark:y   flat:n   guided:y   filter:n
Stretched considerably to show the wimpy tail

C/2014 Q2 Lovejoy
C/2014 Q2 Lovejoy

2015-01-11 01:43:06UTC (ID:229)
17x60 sec, bin 1
Scope: FL(mm): Camera:
dark:y   flat:n   guided:y   filter:n
DSLR - 200mm lens mounted on
telescope, resized and cropped

C/2014 Q2 Lovejoy
C/2014 Q2 Lovejoy

2014-12-27 02:56:18UTC (ID:226)
~60x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:V
Moderate skies
Small dome Meade 10"
(killing time waiting for Jupiter to rise)

Comet Borisov
Comet Borisov
C/2014 Q3
2014-11-05 23:56:23UTC (ID:216)
53x30 sec, bin 3
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Full moon, terrible conditions

Siding Spring Comet
Siding Spring Comet
C/2013 A1
2014-10-12 00:06:39UTC (ID:205)
9x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:V
Big Dome 10" Astro Tech RC telescope

C/2014 E2 Jacques
C/2014 E2 Jacques

2014-08-26 03:58:43UTC (ID:195)
8x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Guiding on comet (5s guide camera
exposures), log scaling

C/2014 E2 Jacques
C/2014 E2 Jacques

2014-08-25 02:20:57UTC (ID:194)
37x5 sec, bin 2
Scope: FL(mm): Camera:
dark:2   flat:2   guided:y   filter:n


C/2012 K1 Pan-STARRS
C/2012 K1 Pan-STARRS

2014-05-25 02:15:51EDT (ID:157)
5x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Guide on comet - 5s exposure

C/2012 K1 Pan-STARRS
C/2012 K1 Pan-STARRS

2014-05-18 23:47:52EDT (ID:151)
4x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Guiding on comet

C/2012 K1 Pan-STARRS
C/2012 K1 Pan-STARRS
C/2012 K1
2014-05-11 22:24:44EDT (ID:149)
17x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n


 C/2012 K1 Pan-STARRS
C/2012 K1 Pan-STARRS

2014-04-27 22:44:04EDT (ID:148)
19x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n


Comet Oukaimeden
Comet Oukaimeden
C/2013 V5
2014-04-23 21:29:55EDT (ID:137)
-x- sec, bin -
Scope: FL(mm): Camera:
dark:-   flat:-   guided:-   filter:n


 Comet Oukaimeden
Comet Oukaimeden
C/2013 V5
2014-04-23 21:28:55EDT (ID:143)
2x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Fits file


 Comet Oukaimeden
Comet Oukaimeden
C/2013V5
2014-04-20 21:38:17EDT (ID:136)
2x300 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Fits file


 Comet Oukaimeden
Comet Oukaimeden
C/2013 V5
2014-04-19 21:42:03EDT (ID:131)
2x150 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:y   filter:n
Fits file


ISON 11/20/13
ISON 11/20/13
C/2012S1
2013-11-20 06:04:52EDT (ID:117)
5x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n
Almost dawn

Lovejoy 11/20/13
Lovejoy 11/20/13
C/2013R1
2013-11-20 03:51:19EDT (ID:115)
46x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n


 ISON 11/16/13
ISON 11/16/13
C/2012 S1
2013-11-16 05:24:06EDT (ID:110)
48x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n


 ISON 11/14/13
ISON 11/14/13
C/2012S1
2013-11-14 05:06:57EDT (ID:106)
42x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n


ISON 11/11/13
ISON 11/11/13
C/2012S1
2013-11-11 04:44:30EDT (ID:104)
44x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n
A bit out of focus

Lovejoy 11/11/13
Lovejoy 11/11/13
C/2013R1
2013-11-11 03:46:32EDT (ID:105)
10x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n
Fits file
A bit out of focus

ISON 10/24/13
ISON 10/24/13
C/2012S1
2013-10-24 05:21:17EDT (ID:97)
10x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n


 Panstarrs Comet
Panstarrs Comet
C/2011L4
2013-08-14 22:26:13EDT (ID:63)
8x30 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:n   guided:n   filter:n


Panstarrs
Panstarrs
C/2011L4
2013-06-03 23:26:20EDT (ID:42)
8x15 sec, bin 2
Scope: FL(mm): Camera:
dark:y   flat:y   guided:n   filter:n


 Panstarrs
Panstarrs
C/2011L4
2013-05-07 00:18:03EDT (ID:33)
1x15 sec, bin 4
Scope: FL(mm): Camera:
dark:y   flat:n   guided:n   filter:n


 Panstarrs
Panstarrs
C/2011L4
2013-05-01 22:32:36EDT (ID:32)
1x30 sec, bin 2
Scope: FL(mm): Camera:
dark:n   flat:n   guided:n   filter:n