M101

[Kaptain Klevtsov]

Again from last night

D50 on Skywatcher 200 Newt. 30 seconds @ 800 iso 6 images stacked.

Captain Chaos

[CELESCOPE]

a difficult target CC but i,m pleased to say you have got some good data there mate can see the outer arms plain , like all these darn galaxies they do need an awful long exposure , but even so a very good go at this one .

Rog

[OXO]

Nice one CC just a few more frames to stack and your away mate!

James

[tom.yates]

Nice cc

[russ]

Hi CC, as Rog says, a difficult target and you captured it no worries.

Also a nice grab of M51 on the other thread

Regards

Russ

[gaelicstorm7]

Looking good CC,

A 2" nosepiece on your t-adapter would make a big difference on the amount of light getting to the CCD in your Nikon, much less vignetting.

Alan

[MartinB]

Looks good to me CC. Seems to be tracking well - how tight was your polar alignment?

[Kaptain Klevtsov]

I don't know what "tight" means in this context, I just put Polaris in the little circle and that's it.

Captain Chaos

[MartinB]

I don't know what "tight" means in this context, I just put Polaris in the little circle and that's it.

Captain Chaos

Well it was certainly tight enough for 30 secs Polaris is currnetly 42 arc secs off true north and rotates around the pole every 24 hours. That's why polar aligning for long exposures is such a pain in the bottom.

[Kaptain Klevtsov]

But with the HEQ5 you get a picture of the plough / great bear / big dipper in the polar scope. You then rotate the mount to line it up with real life. Then you have a circle in the polar scope which has a tiny circle on the edge. Put Polaris in the tiny circle and you're done. Simple as that.

Captain Chaos

[Gordon G]

Nice shot,

Plenty of detail in there.

Cheers

Gordon