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Comet
Iwamoto C/2020 A2


Object : Comet, Iwamoto C/2020 A2
Coordinates/Direction : -
Object size : -
Object magnitude : 11, at maximum
More to know : You can read more about the comet on Seiichi Yoshida's homepage:
http://www.aerith.net/ comet/ catalog/ 2020A2/ 2020A2.html

2020-02-19, Comet Iwamoto

Comet Iwamoto C/2020 A2, Sweden 2020
Date : 2020-02-19
Time (UT) : 00:03 to 00:23
Mount : SkyWatcher EQ6 Pro, beltdrive modified (DIY 2019)
Guide : QHY5 camera with 400 mm f/6.3 lens
Lens/telescope : TS130 APO f/7 910mm, 3" focuser
Corrector/Barlow : 3" field flatter, x1. T48 connector to camera
Field (FOV) : 2.25 x 1.5o (full frame) before crop
camera : Canon 6D, full frame, 20 Mpixel, 14 bit
camera temperature: About 8 degree Celsius above surrounding temperature
Film/CCD : Raw, Cr2
Filter : none
Control system : Mount by EQMOD, camera by APT, guide by PHD2, focuser by USB-focus, ASCOM Windows PC
Exp. time : 14*60 seconds at 1600ISO
Image process tool : Siril, Gimp, Irfanview
Processing : Dark and flat calibrated
Site : Sweden, Stockholm, Hagsätra. Bortle class 9
Comment : As usual we got bad weather and I got only 14 images this night. Still that was enough to let me see some traces of the comet. At bottom in the middle. The magnitude of the comet these days are about 12.

Crop around the comet

Comet Iwamoto C/2020 A2, Sweden 2020
Date : 2020-02-19
Time (UT) : 00:03 to 00:23
Comment : Looks that I got the comet near the edge of the field of the camera. My Goto precision was that good at that time. A bit strange look of the comet, it doesn't have any bright core.

Star chart with CdC

Comet Iwamoto C/2020 A2, Sweden 2020
Date : 2020-02-19
Time (UT) : 00:03 to 00:23
Image process tool : A star chart made with CdC (SkyChart)
Comment : Just to be sure that it's the comet Iwamoto on the photo I set up a star chart at the area for that time the photo was taken.
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