SingAstro

Attempted M51 with my 6" Newtonian, it is not very well-suited for imaging due to its 1.25" focuser that does not support coma correctors. However, I am still pleased with its performance. Low integration time for broadband data, about 2 hours. L-extreme was used to isolate Ha regions and ...

Shot from my bedroom window over January-March, data is not great and the stars are abysmal, ranging from haloes, aberrations and backfocus/tilt issues.

William Optics GT71
Celestron AVX
ASI533MC Pro

Images acquired in NINA, processed in Pixinsight

Looking for a Star Adventurer 2i Pro Pack, would be great if a good tripod is included. McGill sells it for $709 and other overseas websites also around this price, so I am hoping to spend a little less. Thanks

William Optics GT71, L-extreme, ASI533MC Pro on a Celestron AVX mount
Images acquired in NINA, guiding using PHD2 and processed in PixInsight + Photoshop
Total integration time of 24 hours and 3 minutes, with RGB stars

hhzhang wrote: ↑Wed Jan 26, 2022 9:12 am Superb! The details and colors really rock. Did you have a permanent setup? The 18+ hours would be so demanding without.

Thanks! I don't have a permanent setup in the sense that I don't need to move my equipment, but I image from my home balcony so I don't move my things around very much.

Shot in September 2021, total of roughly 18 hours and 20 minutes of exposure time. First image with the L-extreme filter William Optics GT71, L-extreme, ASI533MC Pro on a Celestron AVX mount Images acquired in NINA, guiding using PHD2 and processed in PixInsight + Photoshop https://live.staticflickr...

Found

Hello, as stated in the title I am looking for a good quality triplet apo refractor with aperture of 70-80mm. I would prefer if flattener/reducer-flattener is included with the refractor. I have been looking at the Esprit 80, William Optics GT71/81 or meade flat field quad. Would like to spend <$150...