| Target: |
M97, planetary nebula. Also known as the Owl nebula. M97 in Wikipedia This is a false color narrowband image. | Date: | 26.2.2010 .. 27.2.2010 |
| Time: | 23:37 .. 02:11 [UTC] | ||
| Location: | Frankfurt am Main, Germany | ||
| Conditions: | Almost full moon | ||
| Telescope: |
Newton 250mm, f/4.8 (Orion UK SPX) Coma corrector (Baader MPCC) |
Mount: | Sky-Watcher EQ6 Pro in EQASCOM control |
| Camera: | Atik314L+ TEC setpoint -15°C |
Filters: |
Astronomik H-alpha CCD (13nm) Astronomik OIII CCD (13nm) |
| Exposure: |
H-Alpha:56min (2min subs) O-III:42min (2min subs) Guided with 70/500mm achromatic refractor, modified webcam (SC3) and PHD Guiding to EQASCOM (pulseguide) |
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| Processing: | H-Alpha used as red channel, O-III as blue channel, and combination of both as green channel | ||
| Images: |
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| Notes: | |||
| Target: |
M97, planetary nebula. Also known as the Owl nebula |
Date: | 2.5.2004 |
| Time: | - | ||
| Location: | Vantaa, Finland | ||
| Conditions: | Naked eye limit magnitude ~3.5. | ||
| Telescope: | N150 f5 (GSO) | Mount: | GEM w RA stepper motor (Sky-View) |
| Camera: | SC2 webcam (PCVC840K). Raw color mode |
Filters: | Baader #2459207 UV/IR-cut |
| Exposure: | 90 x 20s (out of 166), dark frame and flat field. Unguided. | ||
| Processing: | Stacked in Registax. Adjusted in Photoshop. Reduced final size | ||
| Images: |
   full resolution images displayed |
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| Notes: | These 3 pictures are of the same data with different processing. Last one has 110 frames stacked, other two have 90. | ||