hh/flame & m45 with refractor diff spikes!

[Adrian-H]

last night was a very fun night for me, yesterday was a very cloudy day, the sky cleared up later in the evening with heavy winds.

i decided to take my scope out, the conditions wernt very great at all , heavy winds all night and small ammounts of clouds everynow and then

i ended up taking around 30photos but most of them where discarded due to the bad conditions, however i managed to make progress through these conditions.

allso i pushed my exposure times. i am quite pleased with these

got my scope out again tonight :D :D :D

i have some darkframes too but i havent used them cause im not really sure how to.

iso 800, through the ED80 on HEQ5 no guiding.

8 x 3mins - hh/flame

4 x 3min - pelaides

the refractor diffraction spikes where added with JohnG's method posted under the diy section, thanks john.

tell me what you think.

Thanks

Adrian.

[h0ughy]

I am afraid the spikes are a bit too much for me, but the images are wonderful!

[Garyh]

You have done pretty good there Adrian!! with such bad conditions and few frames to stack, You have pulled out a bit of detail there..
Cheers Gary

[EzyStyles]

both are stunning shots adrian. and no guiding? well done.

[andyschlei]

Nice shots! It would be good to see when you get more exposure time in.

[Lee]

Great shots.... spikes a tad overdone though I think....

[Adrian-H]

thanks guys

yeah no guiding ezy, i dont have a guidescope yet,

i put the scope out again last night and did longer exposures again,

i can clearly now see now there is some effects of error, in the mount, from each 3min+ frame to frame there is a slight zig zag in motion, maybe this is the PEC?

still works fine for taking pictures but when the mount hits and error point while exposed it results in a picture with error,

i have found that when i push my frame times over 3min mark and higher it increases the chance of bad over good photo ratios

for example, if i take frames at 3mins, i might have a ratio of 25good photos out of 30photos

if i push the frames up to 4mins, 15 good photos out of 30photos.

etc

and the longer the frames the lower the chance of sucessfull photos over error photos

ie the longer the frames, the higher the chance to hit an error point during a frame.

i think i could record this infact.

so if i want to push for longer exposures without guiding, i have to go even longer over all frame count to get as many sucessfull frames out.

get what im saying?