Celestial hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  Coma Pinwheel  ·  HD106888  ·  HD107170  ·  HD107303  ·  HD107415  ·  IC 3238  ·  IC 3244  ·  IC 781  ·  IC 783  ·  M 100  ·  M 99  ·  NGC 4254  ·  NGC 4262  ·  NGC 4298  ·  NGC 4302  ·  NGC 4312  ·  NGC 4321  ·  NGC 4322  ·  NGC 4328  ·  PGC 1451515  ·  PGC 1452049  ·  PGC 1453566  ·  PGC 1458315  ·  PGC 1459405  ·  PGC 1467881  ·  PGC 1468681  ·  PGC 1476547  ·  PGC 1481706  ·  PGC 1482705  ·  PGC 1483139  ·  And 111 more.
Getting plate-solving status, please wait...
M99, M100, and Friends, Alex Ranous
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M99, M100, and Friends

Getting plate-solving status, please wait...
M99, M100, and Friends, Alex Ranous
Powered byPixInsight

M99, M100, and Friends

Equipment

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Acquisition details

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Description

I shot this pair last year toward the end of galaxy season, but a lot of my data had severe gradients that I wasn't fully able to deal with, and it was too late in the season to get more data.  I managed to grab a bunch more decent data this year and was able to eliminate the noisiest of my old subs, so the gradients were a lot easier to deal with.  I don't have the focal length to focus on a lot of these galaxies, so composing a set of them makes it worth while.

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