alacant Posted March 5, 2018 Share Posted March 5, 2018 Hi everyone. Renovated 254mm; it's noticeably faster than our 150 f8. We got an hour before moon rise, so looking promising. Another hour or so needed... Thanks for looking and clear skies. Any comments most gratefully received especially anyone else imaging at this scale. 700d 12 x 300s ISO 800 Link to comment Share on other sites More sharing options...
Demonperformer Posted March 5, 2018 Share Posted March 5, 2018 Good start. Would have to agree that it would benefit from more data, but hey we work with what we have, don't we? Glad the new scope is working out for you. Link to comment Share on other sites More sharing options...
russ Posted March 5, 2018 Share Posted March 5, 2018 Very nice image even without the extra data needed. M81 has some fantastic detail in the arms. Link to comment Share on other sites More sharing options...
tooth_dr Posted March 5, 2018 Share Posted March 5, 2018 Very nice, but there is something not quite right with this on my monitor! I've imaged these two recently with my 254mm newt, 13x300s ISO800, it's a nice image scale for these two. Link to comment Share on other sites More sharing options...
ollypenrice Posted March 5, 2018 Share Posted March 5, 2018 That's going well. At fine pixel scales you have to watch focus like a hawk but it looks tight so far. You really would continue to see improvements by adding many more hours. Olly Link to comment Share on other sites More sharing options...
bobro Posted March 5, 2018 Share Posted March 5, 2018 Impressive detail, especially for just 1 hour of data. I think your scope is f#4.8. Recently I imaged M81 with my 150PL - a bit slower at f#8. You can see my effort (much longer imaging time) here for comparison : https://stargazerslounge.com/topic/309605-dso-imaging-with-150pl-m81/ Perhaps the skies are a bit clearer in Alicante? Link to comment Share on other sites More sharing options...
alacant Posted March 6, 2018 Author Share Posted March 6, 2018 7 hours ago, bobro said: You can see my effort Yeah, much better. The big advantage with the 150 f8 is the release from coma correctors. We have a Bresser nt150l which is also 1200mm. This project is to get the imaging time down. Still 1200mm, but with a bigger aperture. Alas however, the dreaded coma corrector:( Link to comment Share on other sites More sharing options...
alacant Posted March 6, 2018 Author Share Posted March 6, 2018 19 hours ago, tooth_dr said: something not quite right with this on my monitor! Far more likely my processing than your monitor! Link to comment Share on other sites More sharing options...
tooth_dr Posted March 6, 2018 Share Posted March 6, 2018 7 minutes ago, alacant said: Far more likely my processing than your monitor! All mine look bad so I’m sure it’s my monitor Link to comment Share on other sites More sharing options...
jjosefsen Posted March 8, 2018 Share Posted March 8, 2018 Wow really good detail in those, that aperture really does make a difference. Very nice for limited integration time. Link to comment Share on other sites More sharing options...
alacant Posted March 16, 2018 Author Share Posted March 16, 2018 Another hour up to the meridian through last night's Mediterranean haze. Getting there. There's a hint of those red spiky things that stick out from m82; have to have red spiky things. I wonder how many more hours that's gonna take? Thanks for looking. Link to comment Share on other sites More sharing options...
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