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Helix with Antlia Golden Dual band
Captured the Helix this week over 2 clear nights using my new Antlia ALPT Dual band ( Golden ) filter for the first time.
Bortle 7/8 Sydney skies
6” f6 Bintel GSO newt
EQ6-R pro mount
ZWO 2600MC cooled to -10C , Gain 100
TS Optics GPU coma corrector
ZWO filter drawer
115 x 3 minute dithered guided subs
40 x Flats
60 x Bias
PHD2 Multistar guiding ( 0.50 to 0.60 arc sec total )
Stacked in DSS
Processed in Startools V1.8 Compose Linear OSC Bi Colour
In hindsight I should have gone with shorter subs ( 90 to 120sec ) and more of them to reduce the LP noise floor but Startools did a good job in processing
The real test for the filter will be an emission nebula with a dense Star field , but so far it looks promising
Original version
Crop version
Comments welcome
Thanks
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