thinker

While I'm not doubting your personal experience from imaging on your balcony, good results may be produced from some other people's. 'Pete_xl' makes some of the best images, and he is imaging from ...

Actually, I'd suggest they (those cards) might be slow, relatively speaking. They may be top performers for Canon 70D or Canon RP ( not on the list ) , but performance may be reduced by around 60% in ...

[1a] [2a] [1b] [2b] Thank you for the information! When OP uses [1a] an Optolong L-eNhance filter which I understand is a duo narrowbandfilter, and what you say [1b] about lower read noise would ...

Could you please comment on the use of ISO400 with 7.8 electrons read noise vs ISO3200 (2.4 electrons) or even ISO6400/ISO12800 (with his filter)? And the use of in-camera dark frame subtraction , ...

It is a matter of camera settings . Key word is ' During ' in the manual: ' During the high resolution shooting ... '

Both T-2 and M48 adapters for Canon RF are available from Teleskop Service in Germany. TS-Optics brand M48 Adapter for Canon EOS R and RP System Cameras and Baader brand T2 Adapter for Canon EOS R ...

[ ... ] So I suppose you have checked that the battery in the illuminator is 'fresh and juicy'? Not related to the illuminator, but my impression is that the tracking performance of the Star ...

[ ... ] I'm wondering if maybe you could possibly have overlooked the ' keep rotating ' part?  See below. from Star Adventurer manual

In which case I think your mount is doing well compared to my copy. If you spend 8+ minutes (once, since it has PPEC = Permanent/stored PEC) on PEC-training, you should see a 'massive' ...

Are you using (P)PEC? What is the load/weight of your gear? (P)PEC makes a massive difference, but so does weight/load, it appears to me. I suspect 1250mm is really pushing it, from my experience. ...

Detail -> Defringe (third to last under Detail).   You click the black "Hue -> Equalizer" bar  (~) for the curve to appear.

Too pessimistic about the Comet Hunter, I think. Even 0.9 reflections (each mirror) with aluminum mirrors gets you 130mm performance. But it has “Enhanced Multilayer Desposition (EMD)“ (last page) ...

It has 32% linear (49mm diameter) obstruction which translated into appr. 10% area obstruction, so you get a 144mm refractor performance before factoring in reflectivity loss by mirrors which ...

Why don’t you push your images a little bit more? The need to buy PI to 'neutralize away' Barnard’s Loop and Which Head Nebula to make a ‘neutral’ background? Below is your Astrobin jpg from the ...

[...] The words ‘untrained eye’ caught my attention, that’s me! These discussions are mostly (i.e. completely) over my head as I’m a beginner in astrophotography. But when green or magenta stars ...