GIF - 29 Amphitrite Passes M105 in Leo (Bob Stevenson)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: 52 k Leo · IC 643 · IC 648 · M 105 · M 95 · M 96 · NGC 3338 · NGC 3351 · NGC 3357 · NGC 3367 · NGC 3368 · NGC 3377 · NGC 3379 · NGC 3384 · NGC 3389 · NGC 3391 · NGC 3412 · The star 52Leo

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GIF - 29 Amphitrite Passes M105 in Leo

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GIF - 29 Amphitrite Passes M105 in Leo

I was able to procure a Redcat for Christmas, but have struggled to find any clear skies to use it. The weather where I live in Southern Ontario has been really poor for the last 2 winters in a row. The 'lake effect' clouds (B) are practically stationery and seem to continuously regenerate over Lakes Superior, Michigan and Huron. All that translates into just a few short breaks in the clouds. It is impossible to get any decent integration time on anything. Once things get colder some ice forms on the lakes and reduces this a bit, but December and January have been terrible.

So I was searching for something interesting to shoot - it would have to be mono and fairly bright given the one hour here and there. I had taken this image of the M105 group in Leo recently, and decided to spruce it up a bit by using the Redcat to try to capture the asteroid 29 Ampitrite as it passed through this field of view.

Around 2am or so on the the mornings of January 28th 29th and 30th the clouds parted briefly to allow me to get the position of the asteroid in 3 frames separated by roughly 24 hours. I superimposed the asteroid from these 3 frames onto the already processed colour shot of M105 to produce a GIF.

Amphitrite was magnitude 9.6, and a distance of 1.6AU from Earth. The light reflecting from the asteroid took 13 minutes to reach my camera, as compared to the light from M105 that took 36.6 million years to reach me. I wonder what was standing in the place of my tripod and camera when this light left M105!

Final
Original
B
C

B

Description: Lake effect clouds

Uploaded: ...

C

Description: VLT image of Amphitrite

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	4192501
PixInsight job	NM9KWC2T0D3KPQUJ92AAT24WU62YP7TU
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	10h46m47s.10
RA (top/left)	10h54m34s.29
RA (top/right)	10h48m11s.32
RA (bottom/right)	10h38m56s.37
RA (bottom/left)	10h45m24s.35

Dec (center)	+12°49′11″.3
Dec (top/left)	+11°52′56″.2
Dec (top/right)	+14°54′45″.3
Dec (bottom/right)	+13°44′36″.1
Dec (bottom/left)	+10°43′36″.4

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GIF - 29 Amphitrite Passes M105 in Leo

GIF - 29 Amphitrite Passes M105 in Leo

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GIF - 29 Amphitrite Passes M105 in Leo

GIF - 29 Amphitrite Passes M105 in Leo

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