M94 (CVn)

M94 (CVn)

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Date/Site: 26. March 2020. Remote observatory on the AAR club's site in Presberg
Exposure/
Filter:		 R: 27 x 180 seconds,
G: 24 x 180 seconds,
B: 24 x 180 seconds,
L: 21 x 180 seconds (-20°C)
Camera: QSI 632 with Astronomik Type II-filters
Optics/
Instrument:		 250mm f/4 Newton with Baader RCC1 on 10Micron GM1000 HPS
Guiding: Lodestar attached to a 61mm-finder,
focusing: Microtouch and FocusMax,
data acquired remotely using CCD-Commander and MaximDL 6,
processing: PixInsight 1.8

The inner ring of this galaxy is markedly bluer compared to the outer one because of a massive starburst.

© Friedhelm Hübner, last revision:  02.04.2025