M 109 (UMa)

M 109 (UMa)

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Date/Site: 18. April 2018. Remote observatory on the AAR club's site in Presberg
Exposure/
Filter:
RGB: all 9 x 300 seconds,
L: 12 x 300 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 with Microtouch and FocusMax,
data acquired remotely using CCD-Commander and MaximDL 6,
calibration: MaximDL 6, processing: PixInsight 1.8

 

© Friedhelm Hübner, last revision:  03.12.2023