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H-Alpha

Deep-Sky Astrophotography During a Full Moon

|The Moon|9 Comments

The clouds have parted, and I have enjoyed 2 cold, clear nights of astrophotography back-to-back! This is a fortunate occurrence that doesn’t come very often, especially during a Canadian winter. However, the moon is nearly full, rising in the late evening in it’s waning gibbous phase. This reminds me of a question that comes up time and time again. Is deep-sky astrophotography during a full moon a waste of time? The moon reflects bright sunlight into the sky for about a week on either side of a full moon.  This moonlight floods the sky and is so bright that it washes out faint deep-sk…

DSLR camera Ha filter

How a DSLR Ha Filter can Improve your Astrophotos

|H-Alpha|2 Comments

Some of the most incredible DSLR deep-sky images ever produced, likely combined regular RGB data (A typical color image) with images using a Ha filter.  A clip-in filter for your camera such as the Astronomik H-Alpha 12nm CCD filter makes it easy to start gathering Hydrogen-Alpha images with your existing DSLR. Narrowband filters are an astrophotographers best friend.   The Astronomik H-Alpha 12nm Clip Filter for Canon DSLR'S This narrowband filter lets the h-alpha light of emission nebulae pass through to the camera sensor, and blocks almost all of the other light spec…