Heart and Soul & Perseus Double Cluster
Photo description / processing
first time using the dew heater, i don't think i needed it on this night but put it on anyway - makes focusing with the lens much more difficult
due to light pollution and much more importantly the t2i's uv/ir cut filter, this was entirely pointless and i knew it, just wanted to try something new again
also the first time doing flats properly (i hope), no noticeable effect on vignetting
wide field focal lengths on the lens is still very problematic with it adding in those colour bands around & star shape problems away from the centre
the double cluster looks nice though, the nebulas are barely visible, but surprisingly i did get something out of it, so not a complete waste of time?
14/12/2025 - came back and increased saturation on the jpg (i need to start saving the stacked results), brings out a little more i guess
Technical information
- Telescope/Lens
- Sigma 70-300mm f/4-5.6 APO DG Macro Lens
- Camera
- Canon EOS 550D
- Mount
- Sky-Watcher Star Discovery Mount
- Location
- Birmingham, United Kingdom
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 600 × 10″ · ISO/Gain: 1600 ·
Total exposure: 1 h 40 m
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