M101: a night with a lot of cirrus and moonlight (Albert van Duin)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 101 · NGC 5447 · NGC 5449 · NGC 5450 · NGC 5451 · NGC 5453 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5462 · NGC 5471 · NGC 5477 · PGC 2464645 · PGC 2468609 · PGC 2469762 · PGC 2470911 · PGC 2816075 · PGC 49919 · Pinwheel galaxy · SS UMa

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M101: a night with a lot of cirrus and moonlight

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

M101: a night with a lot of cirrus and moonlight

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

>>>>>>> The image above is a crop, please click here to see the full field! <<<<<<<<

6 x 600s each for LRGB, there was a lot of moonlight and cirrus, but the nights are very short now, so this was all I could get... A lot of cirrus passed during the G-frames. Unfortunately not all satellite trails could be removed with only 6 images available for averaging.

Click here to see an AllSky movie of this particular observing night. The telescope can be seen moving at the bottom of the picture, occasionally repositioning to refocus, and making a meridian flip. Between about 00:00h and 01:00h (CEST) you can see two batches of Starlink satellites passing in the lower part of the image.

Original
B
C
Final
D

B

Description: A crop of the full image

Uploaded: ...

C

Description: Better processing removed satellite trail.

Uploaded: ...

D

Description: Crop of version C

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	3503453
PixInsight job	JJRBMWFOE99994UY7RGSULZ903E7371F
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	14h03m11s.902
RA (top/left)	14h00m17s.503
RA (top/right)	14h06m04s.936
RA (bottom/right)	14h06m09s.537
RA (bottom/left)	14h00m15s.946

Dec (center)	+54°21′04″.91
Dec (top/left)	+54°00′40″.20
Dec (top/right)	+54°00′20″.77
Dec (bottom/right)	+54°41′14″.99
Dec (bottom/left)	+54°41′33″.62

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M101: a night with a lot of cirrus and moonlight

M101: a night with a lot of cirrus and moonlight

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M101: a night with a lot of cirrus and moonlight

M101: a night with a lot of cirrus and moonlight

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