Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
27 hours of M51, Alex Pinkin
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27 hours of M51

27 hours of M51, Alex Pinkin
Powered byPixInsight

27 hours of M51

Equipment

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Acquisition details

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Description

27 hours of M51, collected over 9 nights in Apr/May 2019 from Bortle 6 skies.

TEC140FL, QHY16200A, Astrodon filters, A-P flattener (1.19" per pixel). The moon was present during RGB collection, but most of Lum was collected during new moon.

314x180" Lum, 48x300" R, 46x300" G, 46x300" B.

Pre-processing in AstroPixelProcessor, post processing in PixInsight. I used some techniques new to me:

1) Super Luminance: created by integrating all masters. SuperLum helped to improve SNR, making noise reduction almost unnecessary.

2) Deconvolution: followed Adam Block's tutorial.

3) GAME script: used for mask creation. This is such an awesome script, useful for object masks, dust donut removal, etc.

4) Using Division when applying DBE: worked well on this data set but I am still back and forth between Division and Subtraction.

Comments

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27 hours of M51, Alex Pinkin