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NGC 2841 (UMa)
Click on the image for a larger version
| Date/Site: |
2. März 2025, Remote observatory on the AAR club's site in Presberg |
Exposure/
Filter: |
RGB: 67 x 300 seconds (-10°C),
L: 59 x 300 seconds (-20°C) |
Camera/
Optics/
Instrument: |
Touptek 294CP on 150mm f/5 Newton with 2" Skywatcher Comacorrector,
Moravian G3-16200 with Astronomik Type II-filter on 250mm f/4,7 Newton with VIP-3010 Paracorr on 10Micron GM1000 HPS |
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Data acquired remotely using N.I.N.A.,
Guiding: ASI120 attached to a 61mm-finder,
Focusing with Microtouch,
Calibration with MaximDL 6, processing in PixInsight 1.8 |
And an older version:
NGC 2841 (UMa)
Click on the image for a larger version
| Date/Site: |
January 6., 2010, AAR-observatory in Presberg |
Exposure/
Filter: |
L 8 x 5 minutes (-25°C), Astronomik IR-Block-Filter |
| Camera: |
SBIG ST10XME, motorized Atik filterwheel |
Optics/
Instrument: |
26 cm-Newton on Gemini 41 Observatory |
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Focusing with Robofocus |
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Darks, flats, deblooming, alignment and stacking: MaximDL,
Levels and curves: Photoshop CS. |
Several of the subframes were affected by clouds. The glow in the right-hand corner of the frame is from a 6.2 mag star just outside the field.
Near NGC 2841 lies HD80606 (the lower star of the double in the left of the frame). HD80606 is orbited by a very interesting exoplanet.
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© Friedhelm Hübner, last revision: 06.05.2025