|
M 109 (UMa)
Click on the image for a larger version
| 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