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Viewing Planets In Daylight


Alkaid

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I tried this a few evenings ago, still broad daylight at 9pm...just for fun really.  I had read about people observing planets in the daytime but wasn't really sure what to expect.

I knew from software the position of Saturn, it would be reasonably close to the moon. So I tried to find it with a 100mm refractor - epic fail!  I put this down to the daylight and thought that perhaps a larger aperture would be needed.

I went to bed, only to fail to sleep...so at 10.30pm with the light fading I went back out but only with a pair of 10x50 Bins.  And with the slightly darker sky I found Saturn straight away, exactly where she should have been in relation to the moon.

Have you seen the planets in broad daylight?  If you have, what aperture did you use?

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I once tracked Jupiter from just before sunrise well into a very sunny morning as it faded. It was just about gone by 11am - but yes it's deffo possible to see some planets in daytime. It all depends how bright the planet is and how strong the sun is. :)

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I've followed Jupiter from dawn into a very bright sky unaided but never yet managed to full daylight.

I've found Venus naked eye in broad daylight (mid afternoon) a couple of times. Both times I was laid on a sun lounger on holiday in Turkey and again in Tenerife :)

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Was surprised to see that when I trained the 15 x 70 bino on Venus and Jupiter yesterday evening ( before Jupiter was naked eye ) that the disc was very easily resolved and clean.

Through the bino in the dark the planet becomes much too bright for my eyes to resolve as such .

It's not hard to capture detail in daylight , you just need to find your target , Go-To definitely wins that battle.

Caught this with the DSLR a couple of years back in Feb '13.

PJupiter4pm19-2-13.png

Close crop with three moons and the GRS .

post-21219-0-26807700-1361383698.jpg

http://stargazerslounge.com/topic/178140-jupiter-in-broad-daylight-and-why-not/

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I use an app I have on my phone, I had a great view of Saturn a few nights ago,

tried again last night but being hot and humid there was to much turbulence for

a steady view, quite enjoyable though.

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  • 5 months later...

Daylight observing: Wed 2nd Dec 2015 was a nice bright morning. I saw the last quarter moon in the western sky so thought I'd get the Celestron 127mm SLT maksutov Goto set up and see what I could find.  I used the Moon as a reference (Solar System align) and using that and a 20mm eyepiece bagged the following, all in broad daylight:

Venus, Jupiter, Mars, Arcturus, Regulus, Vega, Deneb.

Venus looked like a bright half-disk, and on the basis of this it's as easy to see its shape during the day as at night (if you can find it). 

I could not make out any detail on Jupiter.

Mars was very small and hard to pick out.

The bright stars were fairly easy to pick out.

Notes: a red dot finder does not work during the day - you need a telescopic finder, but to find the Moon for a one-off you can squint along the main tube.

The eyepiece needs to be in focus before you go looking for little dots in a bright sky  :smiley: .

The instruction sheet says that you can use the Sun for a Solar System Align, but I'd class that as Not a Good Idea unless you really know how to do it safely.  :eek:   It's safer to park the telescope in the shade and align on the Moon.

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Venus is an easily observable object in daylight using a 4", as are Jupiter, Saturn and Mars. However, because of the lack of contrast due to sky brightness, little intricate detail is visible. Once Venus or Jupiter have been found, it is possible to look along the scope body and see the planets with the naked eye in full daylight.

Mike

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There are various tricks to help with this.

Followed Jupiter into full daylight naked-eye.  Noted position relative to house gable end and could re-find with a brew in hand  :)

Venus naked-eye in daylight needs knowing where to look and helps if you have the moon or distant aircraft nearby to focus your eyes on first.

Had a stunning view of Mars in daylight through a 16" SC on a Paramount.  Ice caps & surface markings!

A nice pastime :)

Cheers

Paul

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  • 2 weeks later...

A few years back I had the use of a Meade ETX70 goto refractor. I had a decent method of getting good alignment both day and night, and I put it to use when visiting friends on a clear day.

I could see Venus naked eye, Jupiter was easy in the refractor, and Saturn was visible - not clear, but definitely there above the sky background. I would expect that a decent 80mm refractor on a clear day, with a well-aligned goto, should have no issue with seeing the brighter planets and mag 1 stars in daytime.

One tip is to observe things that are 90 degrees from the sun, taking advantage of the sky polarisation that reduces the sky background close to that angle.

Sent from my SM-G920F using Tapatalk

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